Phone Number of 
Optus Overseas is 
1800 123 124, 1800 500 002 .
Optus is an Australian based telecommunication service provider. It is ranked second biggest company in the industry. The Company had started operations in 1981 as AUSSAT. It is officially, known as Singtel
 Optus Pty Limited. Optus is a child company of Singtel. The Company offers Optus Overseas scheme which is beneficial in International roaming. The Company offers OptusNet brand for broadband, wireless and other internet services. Its list of services includes Fixed Telephony,
 Mobile Telephony, Cable Television and Data Transmission.
Besides Optus brand,
 Singtel Optus Pty Limited also operates many other brands such as
 Virgin Mobile Australia, Uecomm and Alphawest. The Company mainly provides services through its own infrastructure; however, it also uses infrastructure of other companies like
 Telstra Wholesale. Optus has established
 3G network with the help of
 Vodafone Australia. It serves end users and also provides wholesale services to the small communication companies.
Customer care number while roaming : +61 2 8082 5678
Emergency TTY number: 106
 
Optus Overseas Address 
The address of Optus Overseas is Sydney, New South Wales, Australia.
Optus Overseas Website 
The Website of Optus Overseas is 
www.optus.com.au.
Optus Overseas Customer Support Service Phone Number 
The customer support phone number of Optus Overseas is 
1800 123 124, 1800 500 002 (Click phone number to call).
The postal and 
official address, email address and 
phone number (
helpline) of 
Optus Overseas Service Center and 
Optus Overseas customer service phone number  is given below. The  
helpline of Optus Overseas customer service phone number may or may not be 
toll free.
Click Here To View Optus Overseas Customer Service Phone Numbers